4(3-5) to the third power +24 divided by 2 to the second power

True or false? many triangular shapes can be circumscribed about a given circle

What expression is equivalent to (84+16)

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?